easuring installations for surveying permanent way (B61K9/08)

B61   Railways(14459)
B61K9/08                     easuring installations for surveying permanent way (applications of measuring apparatus or devices for track-building purposes e01b0035000000; measuring techniques g01)(162)

Determination method of the rail track spatial coordinates and geometrical parameters and device for its implementation // 2628541
FIELD: transportation.SUBSTANCE: device, implementing the method of determining the spatial coordinates and geometric parameters of the rail track contains the track measuring truck, including the movable and fixed wheel pairs, interconnected between each other by the support frame, installed perpendicular to the direction of travel. The first and the second satellite antennas are installed above the corresponding rail threads in the terminal parts of the mentioned support frame. The phase centers of the antennas lie on the same line in the plane perpendicular to the direction of the track measuring truck, the indicated satellite antennas is being associated respectively with the first and the second inputs of the satellite receiver, which input-output is connected to the modem receiving the signals from the base satellite station, and the output of the indicated satellite receiver is connected to the on-board computer.EFFECT: simplification of the device design.4 cl; 3 dwg

ethod of detecting hazardous place with excessive longitudinal compressive force causing stability loss of continuous track // 2617620
FIELD: measuring equipment.SUBSTANCE: when monitoring the railway track axis position in the diagram by the road measuring device (for example, a traveling car), at the beginning of the summer season (April-May, depending on the climatic zone), the rail bending values of a continuous track, not yet dangerous for the train movement, are fixed in the diagram. These original diagrams are retained until the diagrams are obtained in the next measuring device way. The subsequent diagrams are superimposed on the previous ones, combining them in a linear coordinate (abscissa), the difference in the ordinates is determined at the maximum boom position, this difference is divided by the elapsed time between the measuring device ways, the boom growth rate is determined, and thus a dangerous place is detected with a dangerous rate of the unevenness boom value change.EFFECT: dangerous place with excessive longitudinal compressive force in rail lashes is detected in advance.1 dwg
ethod to monitor temperature mode of operation of continuous welded railroad track // 2617319
FIELD: transportation.SUBSTANCE: invention relates to the field of railroad bed condition monitoring, in particular, to nondestructive testing of stressed condition of continuous welded railroad track rail bar sections. Proposed method to monitor temperature mode of operation of a continuous welded railroad track includes definition of optimal temperature of rail bars as they are fixed in the track for repair works, detection of a section of stressed condition in a rail bar by definition of the current value of bar temperature and intensity of generated Barkhausen noise, in relative units in cross sections with interval of 50-500 m. Besides, intensity of generated Barkhausen noise is tested twice: first at current temperature of a rail bar, which is lower than optimal temperature of bar fixation, second at current temperature of a rail bar, which is higher than optimal temperature of bar fixation. Besides, difference of current values of rail bar temperatures relative to optimal temperature of bar fixation in both cases shall be identical and shall amount to at least 10°C. They define difference of intensity values of generated Barkhausen noise, produced in first and second measurements. By produced values of Barkhausen noise intensity values, they evaluate temperature mode of operation of a continuous welded railroad track.EFFECT: invention simplifying monitoring of temperature mode of operation of a rail bar in a continuous welded railroad track, areas with danger of track distortion are identified more accurately, due to higher temperature mechanical stresses in a rail bar.4 cl, 2 dwg

ethod for astimating stability margin of continuous welded railway track // 2617315
FIELD: measurement equipment.SUBSTANCE: method for estimating the stability margin of the continuous welded railway track includes the rail whip temperature registration when it is placed in the way, and after repair work, the identification of the rail whip stress state, for this purpose, the current value of the rail whip temperature and the intensity of the Barkhausen generated noise in this section of the way are determined on the rail whip in the sections at the intervals of 50-500 metres, the intensity of the Barkhausen magnetic noise is estimated in the relative terms, the definition of the actual temperature of rail whip fixing. The current value of the rail whip temperature and the intensity of the Barkhausen generated noise are determined at different rail whip temperature values, at least, two times at the rail whip temperatures lower than the rail whip laydown temperature, and, at least, twice at the temperatures above the rail whip laydown temperature, the equation of rail whip stretching is obtained from the values of the Barkhausen noise intensity produced at the rail whip temperatures lower than the rail whip laydown temperature, the equation of rail whip compressing is obtained from the values of the Barkhausen noise intensity produced at the temperatures above the rail whip laydown temperature. The actual rail whip fixing temperature (Taf) in this section is determined by calculation solving the system of two equations, the actual rail whip temperature increase [ΔTe]fact=(Tw-Taf) over the actual rail whip fixing temperature (Taf) is determined, the resulting value is compared with a normalized admissible temperature increase of the rail whips relative to their fixing temperature in this way section [ΔTe]. According to this difference, the temperature safety factor is estimated in this section of the continuous welded railway track.EFFECT: improved accuracy of estimating the stability margin of the continuous welded railway track.3 cl, 1 dwg, 1 tbl

ethod for stability control of continuous welded rail // 2614744
FIELD: transportation.SUBSTANCE: according to method for stability control of a continuous welded rail by measuring the frequency of its own horizontal transverse vibrations, the ratio of the frequency of its own horizontal transverse vibrations at the current time to the pre-known vibration frequency of the same rail area, the longitudinal force being equal to zero, is taken as the stability criterion.EFFECT: possibility to accurately assess the risk of track buckling, which improves the train traffic safety.3 dwg

Track measuring follow-up system // 2603452
FIELD: measurement technology.SUBSTANCE: invention relates to mobile diagnostic complexes of rail track. Track measuring follow-up system of mobile diagnostic complex of rail track, suspension of which contains a roller axle, is equipped with lifting track measuring truck, made in the form of two coaxial telescopic booms and parallel with it shaft, connected to each other with independent parallelogram mechanisms connected with the help of brackets with roller axis. On external ends of the telescopic booms following wheels are available. Between the telescopic booms the body with diagnostic equipment is fixed. On the shaft there is at least one rotary module, and on the shaft ends are fixed L-shaped lever fork, each of which with its other end engages with one of the levers of the corresponding parallelogram mechanism.EFFECT: as a result, reliable of diagnostic equipment arranged on track measuring truck and accuracy of measurements are increases.1 cl, 4 dwg

Flaw detector of combined noncontact magnetic and ultrasonic testing of rail track // 2603451
FIELD: measurement technology.SUBSTANCE: invention relates to nondestructive inspection of rail track. Tracking system is made in the form of suspended centering beam fitted on two parallelogram mechanisms, at the ends of which there are two power cylinders for lifting and lowering search system which contains search beam connected with the help of two forks with power cylinders, and on search beam there are mounted three ultrasonic flaw detectors and two permanent magnets of tracking system. Permanent magnets are arranged between first and second, as well as between the second and third frames of ultrasonic flaw detectors. Each frame of ultrasonic flow detector consists of a base fixed on search beam by means of two pairs of articulated arms, resting on top, at maximum lowering base in the adjusting bolts fixed on search beam. Each base is connected with two vertical rods, upper end of which is connected to upper end of tension spring, and the lower end of tension spring is fixed on search beam. At the ends of extreme frames of ultrasonic flow detectors are fixed magnetic finders. Besides, locking mechanism of search system comprises two pneumatic cylinder connected with hooks, engaging with search beam in lifted position.EFFECT: as a result, accurate control of rail track and operating reliability of tracking and search systems flaw detector are increasing.1 cl, 4 dwg

ethod of monitoring rail contact with wheel // 2596048
FIELD: transport.SUBSTANCE: invention relates to a method of monitoring contact between the wheel and the rail of the vehicle. Method of monitoring contact between the wheel and the rail of the vehicle includes the following stages: recording of vertical and/or lateral acceleration of at least one wheel (10) of the vehicle; storing the recorded acceleration together with associated angular and with associated geographical position of wheel (10); identification of acceleration events exceeding the predetermined parameter; classification of each event using computer physical model (22) of wheel (10). That is followed by frequency analysis of events associated with data of angular positions and/or with data of geographical positions of wheel (10), and if the frequency of at least one of the said events in one associated angular and/or associated geographic position exceeds the predetermined threshold, then wheel (10) and/or rail track (11) in the given geographical position are checked.EFFECT: as the result railway operators can faster detect defects of wheels and rails.6 cl, 4 dwg

Device for controlling position of railway line in horizontal plane // 2589817
FIELD: roads.SUBSTANCE: invention relates to diagnosis of railway track. Device for controlling position of railway line in horizontal plane according to invention has a computing unit, which includes two coordinate conversion units, two delay lines on 12.5 meters, two delay lines on 17 meters, a delay line on 50 meters, an adder and a normalising unit. Inertial navigation system and optical sensors are rigidly mechanically coupled. Each optical sensor, inertial navigation system and odometer are connected to inputs of computing unit so that optical sensors are connected to first inputs of corresponding coordinate conversion units, second inputs of units for converting coordinates are also connected with inertial navigation system, output of each of coordinate conversion units is connected to first inputs of two delay lines (12.5 and 17 m), second inputs of these delay lines are also connected with odometer outputs of these delay lines and units for converting coordinates are outputs of computer unit and connected to inputs of units for calculating horizontal rail irregularities, inertial navigation system is connected to first input of delay line (on 50 m), second input of which is also connected to odometer, and output of which is connected to positive input of adder, a negative input of adder is connected with inertial navigation system, adder output is connected to unit of normalising output of which is output of computer unit and outputs of units for calculating horizontal irregularities is outputs of device as a whole.EFFECT: reduced weight and size characteristics of device.1 cl, 2 dwg

System for monitoring railway infrastructure // 2584756
FIELD: measuring equipment.SUBSTANCE: present invention relates to measurement equipment, specifically to devices for monitoring state of man-made structures for railway transport during their operation, and can be used for detection of potentially hazardous sections of track and its environment. System for monitoring railway infrastructure comprises at least one station for gathering and primary data processing and connected with it and to each other by means of radio communication measurement modules arranged in critical points of controlled objects railway infrastructure and made with possibility of measurement of elongation of rail road bed, shift compensator, tilt of contact network, a central data collection unit, connected to station for gathering and primary data processing at least one automated workstation, connected with central data collection unit. Each measurement module includes a self-contained power supply, sensors, a transceiver and a microcontroller. Each station for gathering and primary processing of data includes a self-contained power supply, controller and a transceiver connected via radio channel with transceivers of measuring modules. Central data collection unit includes a computing unit, a database, a control unit and transceiver connected via radio channel with transceivers of stations for gathering and primary processing data.EFFECT: higher accuracy of control with simultaneous expansion of functional capabilities.1 cl, 6 dwg

Tracking-stabilisation device for high-speed flaw detector car // 2581343
FIELD: transport.SUBSTANCE: invention relates to rail transport, specifically to non-destructive testing systems mounted on flaw detector car. Tracking-stabilising device of high-speed flaw detector car is composed of composite spatial frame consisting of left and right independent parts mounted on bogie axle boxes of flaw detector car. Each part of frame consists of a stop, lengthwise and crosswise levers in relation to longitudinal axis of rail. On wishbone there are transverse displacement carriages, connected with parallelogram swinging pendulum suspensions, on which there is a suspended centering beam. Each parallelogram cross swinging pendulum suspension is equipped with hinged joint with transverse axis of body of which is connected to end of suspended centering beam. Housing of one of hinge assemblies connected with antifriction guide with possibility of free longitudinal movement along it one end of suspended centering beam.EFFECT: higher quality and reliability of tracking-stabilising device at high speed of flaw detector car on track irregularities.2 cl, 5 dwg

ethod for assessing theft of rail section // 2578897
FIELD: transportation.SUBSTANCE: invention relates to methods of longitudinal movement (creep) of sections of jointless rail track. Method for assessing the rail stalk creep consists in the fact that on each reference sleeper and rail stalk, on the non-working side of the rail and at a known distance from each other, there are installed beacons - ferromagnetic elements so as to provide reliable detection of signals from them with the help of a magnetic flaw detector. Invention presupposes measurement of a time mismatch between beacons and determination of the distance between them. Rail stalk creep is evaluated by comparing the current distance between beacons with results of previous measurements taking into account the allowable value limit, as well as by comparing rail creepings on nearby reference sleepers.EFFECT: higher accuracy and reliability of evaluation of rail stalk creep.1 cl, 3 dwg

ethod of mock-up modelling of rolling stock motion on rail track and structure for its realisation // 2570477
FIELD: testing equipment.SUBSTANCE: invention relates to bench structures for performance of mock-up research of railway transport rolling stock motion dynamics modelling in straight and curved sections of track. The method of mock-up research of modelling of rolling stock motion on rail track is characterized by the fact that fixation of a trolley before descent is carried out with the help of a trigger mechanism by means of trolley rolling onto a speeding hill until the wheelset axle, which is first along the path, starts resting against a tip of a hook, which goes down during further motion of the trolley until the incoming axle gets into a groove on the hook, afterwards under action of gravity of the counterbalance the hook returns to the initial position, thus fixing the trolley in the place of descent. A structure for realization of the specified method for mock-up research of modelling of rolling stock motion on rail track is characterized by the fact that the trigger mechanism of the trolley comprises a hook with a counterbalance fixed on the base with the help of a screw and capable of free rotation.EFFECT: increased efficiency of research.2 cl, 17 dwg
ethod of determination of longitudinal-stress state of rail tracks of continuous welded rails // 2569504
FIELD: construction.SUBSTANCE: invention relates to track facilities, and can be used to measure movements of the rail path sections of the continuous welded rail under action of train load and temperature, and on this basis determination of stress state of the rail tracks. Method of determination of longitudinal-stress sate of rail tracks of continuous welded rails means periodic measurement of temperature of rail track sections with the check marks at their limits, with simultaneous measurement of longitudinal movements, and further determination of longitudinal stresses of sections considering change of their length. Preliminary each check mark is provided with antenna of satellite receiver, and its coordinates are determined as per the signals of satellite navigation system received by the receiver considering corrections from base stations with further coordinated recording in the receiver memory. Then of obtained coordinates of the check points and measured temperature are transmitted and recorded in memory of the complex system of spatial data of railroad transport infrastructure. During measurements by the devices installed on the movable object presence of the mark is determined, its tie-in to the time scale is performed, and its coordinates are determined as per signals of satellite navigation system considering corrections from network of base stations. The received data and data of simultaneously measured temperature of the monitored sections are transmitted and recorded in memory of the complex system of spatial data of railroad infrastructure, in it the coordinates received during preliminary determination are compared with coordinates received during measurements by the movable object devices, and difference determines longitudinal movements, considering them the longitudinal stresses of the monitored sections are determined.EFFECT: increased measurement accuracy.

ethod of check of spatial position of railroad, and system of its implementation // 2556740
FIELD: instrumentation.SUBSTANCE: present group of inventions relates to measuring equipment, and can be used to check the railroad, in particular to determine deviation of the railroad from the design position. Method of check of spatial position of railroad means that using the receiving and analyzing systems two images of space adjacent to the railroad are obtained. Using the processing and control block the reference mark is detected on the obtained images, and coordinates of the reference elements of the reference mark are determined by preliminary measurements of the mutual spatial position of the check elements. Then displacement of the check elements relatively to the base point of the devices coordinate system in vertical, longitudinal and transverse directions are determined, angles of rotation of the reference mark around the vertical and longitudinal axes, as well as angle of system rotation relatively to the transverse axes is measured. Set of obtained values of displacement of each check element relative to the datum point of the devices coordinate system is compared with the pre-measured mutual spatial position of the mass elements. Based on the results of such comparison the displacements of the reference mark in vertical, longitudinal and transverse directions are determined. Correction of the obtained displacements is made considering the obtained angles of rotation, and railroad position is determined.EFFECT: reduced error of determination of the railroad position.2 cl, 1 dwg

ethod for control over longitudinal stress condition of rail bars in continuous welded rail tracks // 2555070
FIELD: electricity.SUBSTANCE: longitudinal stress values are defined continuously during the motion of a rolling stock at the mechanical interaction of a rolling railroad wheel with a rail when mechanical oscillations are excited at tested sections of rail bars with recording, converting of the received oscillations to acoustic oscillations with signal amplification, and at the analysis of spectrum of the excited oscillations in frequency and amplitude depending on a value of longitudinal mechanical stress at the rail bar sections. According to results of data processing changes in the spectrum of the excited oscillations are analysed and sections of railroad tracks are identified with deviations in an amplitude-frequency curve in a real-time mode.EFFECT: increased efficiency of control and safety of train traffic.3 dwg

Diagnostic device of control elements of rolling stock derailing control device (rsdcd) // 2554028
FIELD: transport.SUBSTANCE: diagnostic device of control elements of a rolling stock derailing control device (RSDCD) includes an electronic unit for the detection and research of defects based on a magnetic metal memory method (MMM) with a ferroprobe converter (FPC) and an electronic unit for the detection and research of defects by means of an eddy current method with an eddy current converter (ECC). The device also has an electronic recording and processing unit connected to the electronic unit for the detection and research of defects based on MMM method and the electronic unit for the detection and research of defects by means of the eddy current method.EFFECT: increasing safety of railroad movement.16 cl, 5 dwg

General-purpose coordinate device for manual defect detector // 2551635
FIELD: measurement equipment.SUBSTANCE: invention relates to non-destructive testing devices and is intended to determine coordinates of an inspection sensor when searching defects. A general-purpose coordinate device for a manual defect detector is arranged on a test object and includes at least one inspection sensor, and it is made in the form of a flat frame of an open type, the free ends of which are installed with a possibility of being turned on supporting fasteners fixed on the test object. With that, on the frame there are two encoders arranged, each of which is provided with a cable connected to a cassette holder located between the encoders, in which a cassette is installed and provided with at least one inspection sensor with a possibility of its movement along the test object surface.EFFECT: improving object test reliability, as well as reducing labour input for use of a coordinate device.5 dwg

Automated control system of geometric parameters of cross-ties // 2538482
FIELD: construction.SUBSTANCE: linear guide with a sliding carriage is installed on a framework. Laser range profilometers with the possibility of moving them to change the position by the conveyor are mounted on the carriage. Laser scanners fixed on a bracket with one laser emitter and two receivers of the reflected signal, which are installed in the laser scanners, are used as the laser range profilometers. The receivers read the reflected signal simultaneously of the same cross-section of a reinforced concrete cross-tie. Minimum two laser scanners for simultaneous measurement of two or more reinforced concrete cross-ties are fixed on the carriage.EFFECT: simplification of the system and measuring process and an improved performance and efficiency of the system operation due to the provision of a possibility to measure the parameters of two or more cross-ties at the same time.2 dwg

Railway line diagnosis method // 2521095
FIELD: physics.SUBSTANCE: method comprises inspecting a portion of a railway line using a magnetic flaw detector mounted on a flaw detector car; identifying defects and structural components (bolt and welded joints of rails, metal rail plates etc), signals from which and positions of which are stored in a test card; using data on the structural components of the railway line for navigation during ultrasonic flaw detection of the same portion of the railway line; detailed analysis of objects identified by the magnetic flaw detector using an ultrasonic flaw detector; correcting the test card based on the flaw detection results.EFFECT: high accuracy, quality and rate of detecting defects on rails.2 cl, 5 dwg

Device for automatic monitoring of straightness of welded joints at rails and method of its application // 2520884
FIELD: measurement equipment.SUBSTANCE: device is used to monitor the deviation from straightness at the surface of the side active face of a rail head in horizontal plane and at the rail head running surface in vertical plane by contactless method. The device for automatic monitoring of rails' welded joint straightness comprises a casing, a mechanical portion, end face panels, contactless location sensors, sensors for contactless measurement of distance to the rail surface and an electronic unit. The mechanical portion consists of locating prisms closed by the end face panels on the outer side, the panels are fitted by cutouts corresponding to the surfaces mating the surfaces to be monitored with built-in magnets being installed between them. Each prism is equipped by backing-up tips contacting with the monitored surfaces. The contactless location sensors interfaced with the electronic unit are set near the tips. In the central casing part between the auxiliary prisms there installed are the sensors for contactless measurement of distance to the rail surface which are interfaced with the electronic unit providing for the display of the nonstraightness at analogue indicators and at a graphic display unit and for the storage of nonstraightness results in a memory block. The invention is also related to the method of using the device.EFFECT: possibility of getting visualised and reliable information, reduction of time required for monitoring of rails' welded joint straightness.2 cl, 10 dwg

Railway testing system // 2519322
FIELD: transport.SUBSTANCE: railway testing system contains track measuring truck and network centre and reference stations connected with the system. The truck contains control-computing complex to which track geometrical parameters measurement tools, navigational signals receiver, display unit, memory unit, transmit-receive unit, processor, communication interface unit, local alarm messaging unit and acoustical-electrical transducers are connected. Each reference station includes transceiver for navigational signals. Network centre consist of communication server, processing and control unit and data archiving unit. Also, external track gang notification system is included in the system.EFFECT: improved safety of track gangs and mobile testing facilities.2 cl, 1 dwg

Estimation of track state // 2513338
FIELD: transport.SUBSTANCE: diagnostics car incorporated with the train and equipped with strain-gage mounted axles, strain-gage auto couplings, meters, systems of satellite navigation and wireless communication are used to define the track geometry conditions. Cure radii, positions of rail threads in plan and profile, track gage and other parameters related to electronic GPS map to relate them to the data of last trips of track metering train. At a time, strain-gage mounted axles are used to define vertical and lateral forces, their relationship in interaction between track and rolling stock and between rail and wheel. Strain-gage auto couplings are used to define dynamic forces at rolling stock to estimate dangerous section of the track for empty cars to be related to track profile. Proceeding from track geometry parameter measurements and train speed, probability of train derailing is estimated caused by rolling of wheel flange on the rail. Track sections are defined which can have anti-derailing factors lower than standard ones to work out recommendations on current maintenance of said tracks.EFFECT: higher validity and efficiency of estimation.2 cl, 3 dwg

ethod of controlling railway track skeleton displacement // 2492088
FIELD: transport.SUBSTANCE: invention relates to control over the state of track, particularly, to control over displacement of welded railway rail skeleton section displacement. Proposed method consists in defining the position of markers on rail skeleton relative to fixed objects (reference sleepers). Welded butts are used as said markers. Relative arrangement of selected welded butt with respect to selected reference sleeper is defined by the data of flaw detector car magnetic control channel so that signals from, say, bird pad and welded but can be unambiguously identified on defectogram. Besides their relative spatial position can be unambiguously identified by the data received from track transducer (coordinate meter) of flaw detector car. Magnitude of displacement is defined by comparing current data with that obtained before.EFFECT: instrumental control over displacement.1 dwg

ethod of remote detection of track conditions change ahead of running train // 2490153
FIELD: transport.SUBSTANCE: invention relates to track safety control and serves for remote detection of changes in track conditions caused by rail structure faults and occurrence of dangerous objects in groundwork. Proposed method comprises recording of vibroacoustic pulses in rail resulted from interaction of wheel pairs with rail joints at equal opposite distances therefrom. Signals registered on train passing said rail joints are filtered out and accumulated. Note here that after passage of first train over known-good track said signals are converted to maximum affinity to conserve parameters of correcting circuit. In passage of the next train of track section - signal generator result of comparison is compared with preset threshold. In case it is exceeds decision is made about availability of affected track ahead of running train.EFFECT: higher reliability of remote detection in real time conditions.3 cl, 5 dwg

ethod of optical determination of tack irregularities and defects // 2489291
FIELD: transport.SUBSTANCE: Invention relates to railway transport, particularly, to determination of track irregularities and other defects. Propose method consists in defining the level controlled track section of electromagnetic radiation by video control appliances in shifting electromagnetic radiation receiver along said section. Measured level of electromagnetic radiation is used to define track wear and defects. Track image is locked in visible spectrum of electromagnetic radiation in polarisation filter with rotary gating axis and processing of images by estimation of Stocks parameters.EFFECT: determination of track whatever defects and irregularities by whatever processing means.4 dwg

ethod of track and rolling stock diagnostics // 2487809
FIELD: transport.SUBSTANCE: invention relates to flaw inspection and nondestructive checks. Invention consists in using pulses of surface electromagnetic waves radiated forward and/or backward relative to train direction, registering reflection of said pulses from irregularities of the track and defining type of track and/or rolling stock defects from character of said irregularities.EFFECT: detection of dangerous macroscopic defects at distance exceed stopping distance and registration of derailment.2 dwg

ethod of rails diagnostics // 2474505
FIELD: transport.SUBSTANCE: invention relates to instruments intended for testing health of tracks. Proposed method consists in mounting flaw detectors, surface irregularities metres and rails video surveillance devices on transport facility at preset relative points.Transport facility is displaced along rails to measure its speed and position relative to rails and continuously measure rails heath by all said devices. Obtained results are combined to relate them to the same rail cross-sections and analyse in said combination. Current and future rails health is estimated.EFFECT: higher validity of estimation.5 dwg

ethod for determination of longitudinally-stressed state of rail strings for continuously-welded track // 2469894
FIELD: transport.SUBSTANCE: in this method for determination of longitudinally-stressed state of rail strings for continuously-welded track following is performed: periodical measurement of rail string portions temperature, determination of temperature longitudinal stresses of portions with simultaneous determination of longitudinal strains of portions caused by external force impacts or changes in track condition. From this longitudinal stresses of portions between control marks are determined taking into account changes in their length and amount of longitudinal stresses. Additionally, strains within reference portions including several portions of rail strings are determined, correction factor is determined as ratio between sum of distances of rail string portions within reference portion and reference portion length, and actual longitudinal stresses for each portion of rail string are determined with regard to this factor.EFFECT: higher accuracy of determination of longitudinally-stressed state of rail strings, lower operation and diagnostics costs of continuously-welded track.2 tbl, 1 dwg

ethod of defining state of continuous welded rail track assembled rails and sleepers // 2457969
FIELD: transport.SUBSTANCE: invention relates to continuous control over continuous welded rail track by track measuring devices. Proposed method comprises defining averaged curvature in the limits of circular curve on basic length defined by regulations and defining averaged curvature on preset length of short irregularity. For every circular curve, defined is designed minimum temperature of fixture min tf to define deviation of actual temperature Δt"рих". New temperature of assembled rails and tracks fixture in the curve by the following formula: t"о.рих"=t3-Δt"рих", where tf is temperature of assembled rails and tracks fixture, °C. Then, stability of circular curve defined by the formula: t"о.рих">mintf and determined crosswise stability margin within the limits of circular curve (ΔΔt"рих") defined by the formula: ΔΔt"рих"=t"о.рих"-mintf, are used to decide on state of assembled rails and tracks.EFFECT: higher accuracy.2 tbl, 2 dwgl

ethod of controlling continuous welded rail track rail lengths // 2454344
FIELD: transport.SUBSTANCE: invention relates to controlling continuous welded rail track rail lengths. Prior to laying rail length, stress concentration zone (SCZ) is defined from intrinsic magnetic scatter field (IMSF) by using magnetometer pickup to scan along rail head. Magnetic field scatter gradient Hp (dHp/dx) is defined in SCZ, where Hp is magnetic field intensity, A/m, x is analysed line of SCZ, and obtained data is stored as initial data. Then, rail length is again diagnosed in SCZ to define above said parameters after 50-150 mln t of freight is carried on track and obtained data is stored as data on 50-150 mln t of freight transportation. Obtained data is compared with initial data to define maximum parameters. Said zones are defined as most predisposed to failure. Revealed SCZs are subjected to additional intermittent control. Zones most predisposed to failure are subjected to additional control in case rail length temperature is 50-60 degrees below or 10-15 degrees above that of laying rail lengths. In case defect is detected, it is to be eliminated.EFFECT: higher quality and validity.3 dwg

ethod of track diagnostics // 2446971
FIELD: transport.SUBSTANCE: invention relates to railway transport and may be used in complex diagnostics of track, for example, in rail detector cars. Proposed method consists in that measurement intervals are synchronised with rolling stock speed, interfering instruments are spaced apart and/or scattered in time, instantaneous measurement results of all instruments are delayed with due allowance for relative position and displacement speed so that said instruments are related to unique cross sections of the track, revealed defect is displayed in due time, current track section is displayed in 3D images as well as defects revealed in track transverse sections by all instruments. Fast decision about track conditions are made by one operator proceeding from analysis of produced image.EFFECT: higher quality of diagnostics.3 dwg

Track straightening-tamping machine and optoelectronic system of said machine // 2443826
FIELD: transport.SUBSTANCE: proposed machine comprises frame resting on bogies, tie tamping device and lifting-straightening device, measuring tool and platform coupled with said platform, test bogie and video cameras to observe track top structure. Test bogie is equipped with controller, track geometry pickup, equipment to process global navigation satellite system signals, optoelectronic measurement system and video data processing unit. Said optoelectronic system comprises, at least, one radiation source, data processing unit and photo receiver. Reference mark makes radiation source. Said reference mark comprises modulated LED, LED control circuit, photo receiver and self-contained power source. Photo receiver comprises two receive-and-analyse systems, inclination transducer and control module including data signal processor and photo receiver. One on the inputs of data processing unit is connected with inclination pickup, second input is connected with receive-and-analyse systems and third input is connected with data signal processor.EFFECT: higher accuracy of track location measurement.6 cl, 4 dwg

Control unit for gage width // 2442714
FIELD: measurement equipment.SUBSTANCE: invention refers to the field of measurement equipment and can be used for control of the geometrical dimensions of the railroad gage. The unit contains a meter of the geometrical dimensions and control equipment that are mounted on the vehicle support. Laser devices are located above the corresponding rails of the road. The unit is equipped with a support swivel drive group in the vertical plane. The support is made with a swivel load-bearing part connected with the help of a pin to its fixed part. The record and satellite image processor, the image send group and the display are connected to the microprocessor that is installed in the vehicle cabin, for example, of the diesel locomotive. The navigation aerial for determination of location of the laser devices from the satellite is installed on the support.EFFECT: extension of the functionality related to determination of the geometrical dimensions of the gage in front of the transportation vehicle thus ensuring its travel safety.2 cl, 11 dwg

obile workstation for diagnosis of rail road // 2442713
FIELD: railroad transport.SUBSTANCE: invention refers to the field of railroad transport and is meant for control and evaluation of the railroad condition. The mobile workstation for diagnosis of the railroad consists of a self-propelled vehicle that has a width meter and a special device for measuring the section parameters of the railroad that through the corresponding signal processing modules are connected to the microprocessor. The target location device is connected to the microprocessor. The mobile workstation is equipped with the remote control unit that is connected through the communications link to the receiver wired up to the microprocessor and performing the controlling function in relation to the self-propelling vehicle. The self-propelling vehicle is composed of two carts, and the second cart is additionally equipped with the vertical straight scale and navigating receiver, and the first cart has a point-contact laser-optical device. The cart frames are equipped with docking devices for splitting and connection of the carts. Each of these devices is made in the form of a cup and a rod that are separately installed on the corresponding frames of the carts.EFFECT: improvement of the accuracy of profile measurement along the rising and dropping sites.3 cl, 20 dwg

Estimation method of corrosion damage level of rail base // 2441789
FIELD: railway transport.SUBSTANCE: this invention covers gauges for check of railroad bed condition and can be applied for detection and check of corrosion damage level of operated rails by ultrasonic scanning. The method is as follows: ultrasonic signals directed into the rail base are emitted from the rail rolling surface; and the signals reflected from the rail base are received. Amplitude envelop of the received ultrasonic signals is calculated during movement along the rail according to which corrosion damage level of the rail base is determined.EFFECT: early determination of danger areas of rail base.2 cl, 1 dwg

Railway voltage monitoring system // 2441788
FIELD: railway transport.SUBSTANCE: this invention covers rail voltage monitoring system. This system includes a sensor unit which additionally includes a sensor to be installed directly on a rail length. The proper sensor includes a flat metal pad and at least one or more sensors installed at one side of such pad. Usually, the sensors are strain gages installed on the pad in a specific pre-set configuration. At least one data collection module is electrically connected to the sensor, and a data processing module receives and processes data collected by data collection module.EFFECT: high measuring accuracy of rail operational characteristics.29 cl, 10 dwg

Device and method for noncontact measurement of curvature of long object // 2439487
FIELD: machine building.SUBSTANCE: device and method is intended to be used at measurement of curvature through certain base length of object (2t), for example per 1 running metre and maximum curvature through the whole length of the object. The basis of measurements is proximity sensors. Condition of measurements is straight-line movement of the object. There can be deviations at movement in the form of transverse offsets and vibration. In order to relate measurements to length and to compose the object curvature chart, speed sensor is used. Enough number of sensors will be log2(L/t)+2 sensors. They are located at distances of (t, t, 2t, 4t, 8t, 16t,…) between each other, where t - half of the base distance for curvature measurement.EFFECT: device allows reducing the number of involved sensors at curvature measurement.2 cl, 7 dwg

obile diagnostics complex // 2438903
FIELD: transport.SUBSTANCE: invention relates to railway diagnostics complexes. Proposed complex comprises control and measuring complex and onboard computation complex. Said control and measuring complex comprises system to control and estimate track geometrical parameters, system for contactless control of rails geometry, high-speed rail flaw detection system, track defect visual detection system, train dynamics control system, speed georadar control system, structure approach speed control system, ACS and telemetry state high-speed control system, contact circuit state control system, analog radio communication parameter control system and digital radio communication parameter control system. Proposed complex is equipped with multiple-discrete track and geophysical track coordinate synchroniser connected with each control and measuring system. Onboard computation complex incorporates universal system for visualisation of synchronised data of all control and measuring systems equipped with integral interface, system with combination analysis and railway structure state forecast, as well as control system provided with communication with integrated data space of railway infrastructure.EFFECT: higher speed and validity of measurements.2 dwg

Track measuring complex "пт-9" // 2438902
FIELD: transport.SUBSTANCE: invention relates to railway transport, particularly, to auxiliary railway equipment. Proposed complex comprises removable rail carriage accommodating positioning device, track measuring equipment to measure currents track coordinates, track width, mutual position of rails in height, system to analyse track parameters, data transfer interface to transmit data to external data base computer via communication adapter, automatic device to measure curvature of rails in horizontal plane, and programmable analyser. The latter consists of measurement results registrator, device to detect the departure of track parameters from preset ones, in-situ digital indication and graphical visualisation unit that allows audio comments on every mark, and track parameters memory.EFFECT: higher efficiency of diagnostics.3 dwg

obile flaw detector servo drive centering device // 2438901
FIELD: transport.SUBSTANCE: invention relates to railroad transport. Servo drive centering device of mobile flaw detector along rail lengthwise axis comprises detectors furnished with self-centering device. The latter is made up of permanent magnets arranged on faces of every detector on crosswise displacement carriages articulated with detectors and arranged on guide bars rigidly coupled with load bearing bar of servo drive system suspension.EFFECT: higher quality of rail state control, possibility for flaw detection at high speeds.4 dwg

System of distributed control over track // 2425770
FIELD: transport.SUBSTANCE: proposed system comprises data collection device mounted at rolling stock head and consisting of microcontroller whereto connected are transmitter, receiver and data output unit, transceiver module arranged at rolling stock tail and comprising transmitter and receiver, transmitter being connected via intercom line with data collection receiver. Measuring module is arranged on controlled track section. Said measuring module consists of receiver with its output connected to power accumulator, transmitter with its input connected to microcontroller output with its input connected via interface with vibration and temperature pickups. Vibration pickups are secured to rails or sleepers of controlled track section. Temperature pickups are secured to controlled track section rails. Power accumulator output is connected to microcontroller and transmitter supply inputs.EFFECT: higher validity of control.1 dwg

Optoelectronic system to control spatial position of railway track // 2424932
FIELD: transport.SUBSTANCE: invention relates to control instruments. Proposed system comprises radiation source 2 and signal processor 3 and photo receiver 1 made up of level transducer 21 and receiving analyser system 11 including lens 13 and position-sensitive optical radiation receiver 15, arranged on control truck 9 arranged on track 10. Output of photo receiver 1 is connected to input of signal processor 3. Radiation source is arranged on at least one contact-wire line support 4 or other structure, and is made up of reference mark containing at least two modulated light diodes 5 and photo receiver (b) and radiation source control circuit connected to independent power supply input 7. Photo receiver unit comprises extra receive-and-analyse system 12, control module 17 including at least one light diode radiator 18, photo receiver 18 and data signal processing circuit 20 with its output connected with input of second processing unit 3 with third input connected to level transducer 21 rigidly coupled with photo receiver 1.EFFECT: higher accuracy of measurement.2 dwg

ethod and device to control railway track rails // 2419567
FIELD: transport.SUBSTANCE: invention relates to railway transport. Proposed method comprises measuring rails spacing by means of contact and contactless (laser) metres. Distances between rails measured by contact and contactless metres are compared. If discrepancy in readings of said metres falls below tolerance, mean arithmetic values is entered into memory. If discrepancy in readings of said metres exceeds tolerance for straight track section, readings of contactless metre are entered in memory. In control track curved section, track curve radius is defined.EFFECT: higher accuracy of control.6 dwg, 2 ex

ethod of controlling crosswise profile and distance between track rails, and track-tester car // 2418705
FIELD: transport.SUBSTANCE: set of inventions relates to railway transport. Proposed method comprises measuring rail profile, track gauge and distance to rails with the help of beams of two laser senders arranged on track-tester car platform above the rails. Measured data is entered into onboard computer memory together with data on run time to determine departure from preset values. Laser senders are secured to turn around. Turn of laser senders is synchronised. Proposed track-tester car comprises two laser senders secured on car platform above the rails and connected via controller to computer. Said senders encased in protective enclosures arranged to turn relative the axis perpendicular to lengthwise axis of senders and are connected with, at least, one drive, e.g. hydraulic cylinder with rod.EFFECT: higher accuracy of measurements.11 cl, 10 dwg

ethod and device to control railway track rails // 2418704
FIELD: transport.SUBSTANCE: invention relates to railway transport. Proposed device comprises transducer of distance covered and displacement transducer to measure distance between rails, controller, processor and storage unit mounted on truck. Said truck comprises measuring rule with support and measuring wheels articulated with platform by means of hinged tie rod. Measuring wheel is spring loaded in direction opposite the support wheel and fitted on axle that can axially displace to get in contact with displacement transducer. Hinged tie-rod comprises pins coupled with angular turn transducers electrically connected with processor.EFFECT: higher accuracy of measurements.4 cl, 9 dwg

Onboard diagnostic system for self-propelled special running stock // 2402448
FIELD: transport.SUBSTANCE: invention relates to measuring technique, particularly to means of diagnostics for transport facilities with ICE and can be used at self-propelled special rolling stock used for repair and maintenance of railways in operation. Proposed system comprises microprocessor, interface between microprocessor and serial data transfer channel, tank fuel level metre, ambient temperature metre, transport facility assembly units and part performances control unit, location determination unit, sound synthesiser unit, unit to store data and transfer them to dispatcher station, multifunction display and microprocessor switching and control unit. Besides onboard diagnostics system comprises operating conditions determination unit and process conditions determination unit, both being communicated via microprocessor with unit to store data and transfer them to dispatcher station.EFFECT: expanded performances, higher quality of railroad repair.1 dwg

ethod to control track state // 2394714
FIELD: transport.SUBSTANCE: invention relates to railway transport and can be used to control track state, namely for measuring dynamic deformability of rail bed and possible deviations of track. Proposed method comprises measuring track width with the help of optical pickups mounted on track measuring car and revealing defects of track attachment. Said optical pickups are mounted on track measuring car in three zones corresponding to different zones of load said car applies onto track in motion. Track width is consecutively measured by said optical pickups of every said zone. Two of said pickups are arranged on car ends and one is arranged between car running wheels. Track attachments defects are revealed allowing for measurements results provided by pickups of aforesaid three zones. All pickups are arranged in one plane. Optical pickups inquiry is performed at spacing making at least 25 cm in motion along track.EFFECT: higher accuracy and reliability of control.4 cl, 2 dwg

Opto-electronic system for monitoring spatial position of railway track // 2387561
FIELD: physics.SUBSTANCE: opto-electronic system for monitoring spatial position of a railway track includes at least one radiation source, a measuring bogie mounted on the rail track on which there is a processing unit and a photodetector unit, optically connected to the radiation source. The radiation source can be installed on structures moved out of the boundaries of the rail track and lying on the path of the measuring bogie. The photodetector unit has two reception and analysis systems, a tilt sensor of the photodetector unit, a control module whose output is connected to the input of the processing unit, and other input to the output of the tilt sensor of the photodetector unit, and an indicator for movement of the measuring bogie past the radiation source, whose output is connected to the input of the control module.EFFECT: increased accuracy of measuring spatial position of a railway track and possibility of monitoring the design position of the rail track simultaneously in two mutually perpendicular directions.6 cl, 2 dwg

System and method of monitoring railway track // 2385446
FIELD: physics.SUBSTANCE: method of monitoring a railway track involves steps on which: a line is illuminated from one end of the railway track to another; part of the light reflected from the track is received; a set of images are generated; the set of images is analysed; the set of images is compiled; corresponding geographical locations of the images are recorded; physical characteristics of a part of the railway track is displayed. A system which realises the method of monitoring a railway track and which is installed on a vehicle includes: at least one light source which is a laser lying next to the railway track for projecting a light beam from one end of the track to the other, one optical receiver lying next to the railway track. The optical receiver has a digital camera, one processor for analysing the set of images and determining geographical location of the set of images. The processor can compile the set of images and record the corresponding geographical location of the set of images.EFFECT: simplification of the procedure of monitoring the state of a railway track.70 cl, 12 dwg
 
2551008.
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